Senior .NET Backend Developer – Warehouse Systems & APIs

Legacy Personnel Solutions; Windsor; On-site; CAD 75,000 - 78,000; Full time

Benefits offered by this job

Dental care

Extended health care

Life insurance

RRSP match

Vision care

Job summary

Legacy Personnel Solutions in Windsor, ON is seeking a Full Stack / Senior Developer to join the DevOps department with a strong backend focus. The role centers on building and maintaining server-side platforms, APIs, and integrations that power warehousing operations.

This is an in-person, on-site role in Windsor with potential on-call rotation. Require 10+ years of software development, deep C#/.NET expertise, experience with Clean Architecture or Domain Driven Design, and strong relational DB

Qualifications

• 10+ years of professional software development with backend focus.
• Strong C#/.NET proficiency.
• Automated testing across unit, integration, and end-to-end.
• Experience applying Clean Architecture or Domain Driven Design.
• Strong DB skills with SQL Server/Oracle/PostgreSQL.
• Blazor or modern frontend for internal tooling.
• Experience with system integrations and automotive/logistics domain.

Responsibilities

• Design, build, and maintain backend services and APIs for warehouse apps.
• Model and optimize relational databases for high-volume workloads.
• Develop integrations between internal systems and partner platforms.
• Support EDI transactions and on-call production support.
• Implement background jobs, queues, and CI/CD pipelines.
• Build internal web interfaces on top of backend services.

Skills

C# / .NET

Automated testing

Clean Architecture

Domain Driven Design

Blazor

Relational databases

Education

Bachelor's Degree

Tools

SQL Server

Oracle

PostgreSQL

REST APIs

Azure

AWS

RabbitMQ

Job description

Legacy Personnel Solutions in Windsor, ON is seeking a Full Stack / Senior Developer to join the DevOps department with a strong backend focus. The role centers on building and maintaining server-side platforms, APIs, and integrations that power warehousing operations.

This is an in-person, on-site role in Windsor with potential on-call rotation. Require 10+ years of software development, deep C#/.NET expertise, experience with Clean Architecture or Domain Driven Design, and strong relational DB